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a) rezolvati ecuatia : 8 - 3 ( 2-4x ) = 3x - 16, xeQ 


         


Răspuns :

8-6-12x=3x-16, 2-12x=3x-16/+16; 2-12x+16=3x; 14+12x=3x/-12x; 14=-9x; x=-9:14;
x=[tex] \frac{-9}{14} [/tex].